Lecture 1
3.Properties of signals
3.1 Chapter 3 Data and Signals Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display.
Signals The main function of the physical layer is moving information in the form of electromagnetic signals across a transmission media. Information can.
Electronics Involves the use of devices and circuits to control the flow of electric current to achieve some purpose. These circuits contain: Resistors,
Data Communication and Networking Chapter_3
